NHDES DAM BUREAU - Dam Removal and River Restoration Program: Data Sources

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Dam Bureau

Dam Removal and River Restoration Program

Data Collection: Researching Dams and Rivers

NOTE: This is largely based upon a fact sheet developed by American Rivers (www.americanrivers.org).

The following list contains a variety of sources that will provide necessary and valuable information for the planning and design of a dam removal and river restoration project in New Hampshire. Please contact the N.H. Department of Environmental Services River Restoration Coordinator at (603) 271-3406 with information and sources that should be added to this list.

Information	Source(s)
Past state dam safety inspections	DES Dam Bureau, (603) 271-3406
Federal Emergency Management Agency Flood Insurance Studies, profiles, plans and computer models	DES Dam Bureau, (603) 271-3406 Town Office or Library FEMA web site
Aerial or ortho photographs	Terraserver Web Site
U.S. Geological Survey mapping	U.S. Geological Survey
U.S. Geological Survey gage data for stream flow in New Hampshire	USGS Water Resources Real Time Flow Data
Historical maps	Sanborn Fire Insurance Maps (from 1866) USGS Topographic Maps of New Hampshire (from 1882) MapTech Topographic Maps of New Hampshire (listed by Town)
Surficial and bedrock geological mapping	State Geological Unit, DES
U.S. Environmental Protection Agency (USEPA) watershed mapping and information	USEPA Watershed Atlas USEPA Surf Your Watershed
Geographic Information Systems data (town, region or state levels)	DES One Stop Web GIS N.H. GRANIT (Geographically Referenced Analysis and Information Transfer System)
Past plans of dam, site or nearby construction	DES Dam Bureau, (603) 271-3406 Town Engineer
Utility infrastructure information	Town Public Works Department Town Engineer DES Water Supply Engineering Bureau
Historical Photographs of the dam and surroundings	DES Dam Bureau, (603) 271-3406 Town Historian Town Offices or Library Local landowners Local newspapers
Tax maps and assessment information	New Hampshire Counties Registry of Deeds Town Assessor

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Updated: July 28, 2003

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